IT792395B - Dispositivo discriminatore di sicurezza - Google Patents
Dispositivo discriminatore di sicurezzaInfo
- Publication number
- IT792395B IT792395B IT4260566A IT4260566A IT792395B IT 792395 B IT792395 B IT 792395B IT 4260566 A IT4260566 A IT 4260566A IT 4260566 A IT4260566 A IT 4260566A IT 792395 B IT792395 B IT 792395B
- Authority
- IT
- Italy
- Prior art keywords
- discriminating device
- safety
- safety discriminating
- discriminating
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/202—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage for dc systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE671859A BE671859A (fr) | 1965-11-04 | 1965-11-04 | Dispositif discriminateur de sécurité |
Publications (1)
Publication Number | Publication Date |
---|---|
IT792395B true IT792395B (it) | 1967-11-15 |
Family
ID=3848050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT4260566A IT792395B (it) | 1965-11-04 | 1966-11-02 | Dispositivo discriminatore di sicurezza |
Country Status (9)
Country | Link |
---|---|
US (1) | US3604948A (sv) |
BE (1) | BE671859A (sv) |
CH (1) | CH465699A (sv) |
DE (1) | DE1269169B (sv) |
FR (1) | FR1515044A (sv) |
GB (1) | GB1166096A (sv) |
IT (1) | IT792395B (sv) |
NL (1) | NL6615542A (sv) |
SE (1) | SE323988B (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE847141A (fr) * | 1976-10-11 | 1977-04-12 | Acec | Installation de commande de processus. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816238A (en) * | 1955-08-18 | 1957-12-10 | Gen Dynamics Corp | Electronic switches |
US3086125A (en) * | 1955-11-11 | 1963-04-16 | Siemens Ag | Gated amplifier including timing pulses and saturation effect to effect delay |
US3192399A (en) * | 1961-12-11 | 1965-06-29 | Sperry Rand Corp | Amplifier-switching circuit employing plurality of conducting devices to share load crrent |
CH412046A (de) * | 1962-06-06 | 1966-04-30 | Biviator Sa | Stromwendeschaltung |
US3403332A (en) * | 1964-09-25 | 1968-09-24 | Hitachi Ltd | Apparatus for measuring impedance of a specimen employing two opposite polarity charged particle beam probes |
-
1965
- 1965-11-04 BE BE671859A patent/BE671859A/fr unknown
-
1966
- 1966-10-28 FR FR81877A patent/FR1515044A/fr not_active Expired
- 1966-10-28 GB GB48540/66A patent/GB1166096A/en not_active Expired
- 1966-11-01 CH CH1578366A patent/CH465699A/fr unknown
- 1966-11-02 IT IT4260566A patent/IT792395B/it active
- 1966-11-03 SE SE15074/66A patent/SE323988B/sv unknown
- 1966-11-03 DE DEP1269A patent/DE1269169B/de not_active Withdrawn
- 1966-11-03 NL NL6615542A patent/NL6615542A/xx unknown
-
1970
- 1970-04-07 US US26267A patent/US3604948A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE323988B (sv) | 1970-05-19 |
BE671859A (fr) | 1966-05-04 |
NL6615542A (nl) | 1967-05-05 |
GB1166096A (en) | 1969-10-01 |
DE1269169B (de) | 1968-05-30 |
US3604948A (en) | 1971-09-14 |
CH465699A (fr) | 1968-11-30 |
FR1515044A (fr) | 1968-03-01 |
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